280804716

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1943

約数の個数: 72

約数和(自身を含む): 732015648

約数和(自身を除く): 451210932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 71, 122, 142, 183, 213, 244, 284, 366, 426, 549, 639, 732, 852, 1098, 1278, 1801, 2196, 2556, 3602, 4331, 5403, 7204, 8662, 10806, 12993, 16209, 17324, 21612, 25986, 32418, 38979, 51972, 64836, 77958, 109861, 127871, 155916, 219722, 255742, 329583, 383613, 439444, 511484, 659166, 767226, 988749, 1150839, 1318332, 1534452, 1977498, 2301678, 3954996, 4603356, 7800131, 15600262, 23400393, 31200524, 46800786, 70201179, 93601572, 140402358, 280804716]

約数ペア:

[(1, 280804716), (2, 140402358), (3, 93601572), (4, 70201179), (6, 46800786), (9, 31200524), (12, 23400393), (18, 15600262), (36, 7800131), (61, 4603356), (71, 3954996), (122, 2301678), (142, 1977498), (183, 1534452), (213, 1318332), (244, 1150839), (284, 988749), (366, 767226), (426, 659166), (549, 511484), (639, 439444), (732, 383613), (852, 329583), (1098, 255742), (1278, 219722), (1801, 155916), (2196, 127871), (2556, 109861), (3602, 77958), (4331, 64836), (5403, 51972), (7204, 38979), (8662, 32418), (10806, 25986), (12993, 21612), (16209, 17324)]